Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway

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Clarkeite : (Na,Ca,Pb)₂U₂(O,OH)₇
	Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway Massive orange clarkeite. Picture size 8 mm. Photographer and collection Thomas Witzke.
© Thomas Witzke	Photo ID: 8110 View Count: 777
Clarkeite : (Na,Ca,Pb)₂U₂(O,OH)₇, Fourmarierite : PbU₄O₁₃·4H₂O, Kasolite : Pb(UO₂)[SiO₄] · H₂O
	Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway Dark brown Clarkeite rimmed by red Fourmarierite and yellow Kasolite forming a pseudomorph after a 1 cm Uraninite crystal from Bjertnes, Krøderen, Buskerud, Norway. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 63466 View Count: 645
Monazite-(Ce) : (Ce,La,Nd,Th)PO₄
	Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway Monazite-(Ce) crystal, Bjertnes Pegmatite, Norway, 16 x 12 x 8 millimeters. Collected by I. Johannson, 1976. Slightly radioactive (30 microrems/hr.). Purchase from David Shannon c. 1999. K. Nash specimen and image.
	Photo ID: 252392 View Count: 19
Muscovite : KAl₂[(OH)₂\|AlSi₃O₁₀]
	Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway Field of view 3 cm - Photo & collection M.Mader
© 2005 - MMI	Photo ID: 33688 View Count: 402

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Bjertnes pegmatite, Krøderen Lake, Krødsherad, Buskerud, Norway

Clarkeite : (Na,Ca,Pb)2U2(O,OH)7

Clarkeite : (Na,Ca,Pb)2U2(O,OH)7, Fourmarierite : PbU4O13·4H2O, Kasolite : Pb(UO2)[SiO4] · H2O

Monazite-(Ce) : (Ce,La,Nd,Th)PO4

Muscovite : KAl2[(OH)2|AlSi3O10]

Clarkeite : (Na,Ca,Pb)₂U₂(O,OH)₇

Clarkeite : (Na,Ca,Pb)₂U₂(O,OH)₇, Fourmarierite : PbU₄O₁₃·4H₂O, Kasolite : Pb(UO₂)[SiO₄] · H₂O

Monazite-(Ce) : (Ce,La,Nd,Th)PO₄

Muscovite : KAl₂[(OH)₂|AlSi₃O₁₀]